SATE-EasyReceipt/app/Events/ReceiptIssuingOrder/EmailSendEvent.php

<?php

namespace App\Events\ReceiptIssuingOrder;

/**
 * Email送付完了イベント
 */
class EmailSendEvent extends ReceiptIssuingOrderEvent
{
    public function getEventName(): string
    {
        return "Email送付完了";
    }
}